// 第二题
public class Main {

    public static void main(String[] args) {
        System.out.println("************");
        System.out.println("            ");
        System.out.println("*   Java   *");
        System.out.println("            ");
        System.out.println("************");
// 第三题
        int a = 3;
        long b = 4L;
        float c = 3.14f;
        double d = 4.34;
        char e ='/';
        boolean f = true;

        System.out.println("a:"+a);
        System.out.println("b:"+b);
        System.out.println("c:"+c);
        System.out.println("d:"+d);
        System.out.println("e:"+e);
        System.out.println("f:"+f);
    }
}
